diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index d66acd01..b1c1d602 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,23 +1,34 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit backupGlobals="false"
          backupStaticAttributes="false"
+         beStrictAboutTestsThatDoNotTestAnything="true"
+         beStrictAboutOutputDuringTests="true"
          bootstrap="bootstrap/autoload.php"
          colors="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          processIsolation="false"
+         stopOnError="false"
          stopOnFailure="false"
-         syntaxCheck="false">
+         syntaxCheck="true"
+         verbose="true"
+>
     <testsuites>
-        <testsuite name="Application Test Suite">
-            <directory>./tests/</directory>
+        <testsuite name="Cachet Test Suite">
+            <directory suffix="Test.php">./tests</directory>
         </testsuite>
     </testsuites>
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">./app</directory>
+        </whitelist>
+    </filter>
     <php>
         <env name="APP_ENV" value="testing"/>
         <env name="CACHE_DRIVER" value="array"/>
         <env name="SESSION_DRIVER" value="array"/>
+        <env name="MAIL_DRIVER" value="log"/>
         <env name="QUEUE_DRIVER" value="sync"/>
     </php>
 </phpunit>